Port Edgar is a marina situated on the south shore of the Firth of Forth immediately to the west of the southern end of the Forth Road Bridge in the town of South Queensferry, Scotland. In previous years it had been the site of HMS Lochinvar. In the inter war period Port Edgar was the a destroyer base. under the command of the then Captain Cunningham who later went on to become Admiral of the Fleet. In recent years, it has become a busy marina with a sailing school with 300 berths. Previously operated by Edinburgh Leisure, Port Edgar Marina Limited - a private investment company - took over management of the marina in April 2014. Part of the group's £1.5m development plans included a capital dredging project to alleviate concerns about harbour depth.